Thursday
December 12, 2013

# Posts by lacey

Total # Posts: 118

chemistry
but how do i balcane the charges? i don't understand what to do with them. i know i am supposed to bring them down, but down where?

chemistry
How do you balance a chemical reaction word equation?!

geometry
1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it?

Algebra
A box contains 15 blue marbles, 25 yellow marbles, 20 green marbles and 40 red marbles. How many ,arbles must you select to be sure that a green marble has been chosen ?

Algebra 2
Write a system of inequalities in which x and y are each greater than -3, but not greater than 2. Can someone please help???

Math
thank you so much!!!!!!!

Math
two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h

civics
what is a good strategy for remembering 2 paragraphs of the constitution?

math
First, you have to change miles into feet. There are 5,280 feet in 1 mile. Next, you need to multiply 5,280 feet by 26 miles, to see how many feet are in 26 miles. The answer is 137,280. The last step is to divide 5,280 feet by 137,280 feet. This gives you roughly .0385 feet.

Stats
An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct. The test also has 30 True/False questions. Determine the probability a student randomly guessing on all questions and correctly answering no more than...

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